The license agreement for rdist 6.1.5 has changed again and now allows distribution as part of linux. There is a new article posted today (17-Jul-1999) on Slashdot that mentions the new stuff from MagniComp about the rdist package (http://www.magnicomp.com/rdist/rdist-eu- license.shtml).
http://www.redhat.com/corp/support/errata/rh60-errata-general.html#rdist